Candidate: CVE-2020-22020
PublicDate: 2021-05-26 20:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22020
 https://trac.ffmpeg.org/ticket/8239
 http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=ce5274c1385d55892a692998923802023526b765
Description:
 Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function
 in libavfilter/vf_fieldmatch.c, which could let a remote malicious user
 cause a Denial of Service.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H [6.5 MEDIUM]


Patches_ffmpeg:
 upstream: https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=ce5274c1385d55892a692998923802023526b765
upstream_ffmpeg: released (4.3)
trusty_ffmpeg: ignored (out of standard support)
trusty/esm_ffmpeg: DNE
xenial_ffmpeg: ignored (out of standard support, was needed)
bionic_ffmpeg: needed
focal_ffmpeg: needed
groovy_ffmpeg: not-affected (7:4.3.1-4ubuntu1)
hirsute_ffmpeg: not-affected
impish_ffmpeg: not-affected (7:4.4-6ubuntu5)
jammy_ffmpeg: not-affected (7:4.4.1-3ubuntu2)
devel_ffmpeg: not-affected (7:4.4.1-3ubuntu2)